Disruption between London Paddington and Heathrow Airport / Reading expected until 19:00
Service alteration details
Incident reported: Friday 14 August 2026 at 14:25
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Last updated
Friday 14 August 2026 at 15:35
Train operators affected
Route(s) affected
Elizabeth line between Abbey Wood and Heathrow Terminal 4 / Reading, and also between Shenfield and Heathrow Terminal 5
Great Western Railway between London Paddington and Didcot Parkway
Heathrow Express between London Paddington and Heathrow Airport
Description
A failure of the electricity supply between London Paddington and Heathrow Airport / Reading means some lines are blocked. As a result, trains may be cancelled, delayed by up to 30 minutes or revised.
Disruption is expected until 19:00.
Customer advice for Elizabeth line:
You can use your ticket at no extra cost on the following alternative train and underground services:
London Underground services via any reasonable route
Great Western Railway services between London Paddington and Reading
South Western Railway services between London Waterloo and Reading
Heathrow Express between London Paddington and Heathrow Terminals (pre-paid tickets only)
Chiltern Railways between London Marylebone and High Wycombe
DLR via any reasonable route
Southeastern services between London Terminals and Abbey Wood
Thameslink services between Farringdon and Abbey Wood
Greater Anglia services between London Liverpool Street and Shenfield
c2c services between London Fenchurch Street and Upminster
London Overground (Liberty line) services between Romford and Upminster
Bus options:
Whilst this disruption is ongoing, buses are a simple and direct alternative. You can use your ticket at no extra cost on the below bus operators:
London Buses between Paddington and Heathrow Terminals / West Drayton
Tip: Travel towards Ealing Broadway or major interchanges for onward journeys.
From Ealing Broadway: 207, 427 - Paddington corridor
From Southall / Hayes & Harlington / West Drayton: 140 - Ealing Broadway or Heathrow
Continue to Central London via connecting buses or the Underground.
Travel to and from Heathrow Airport:
You can use your ticket at no extra cost on the following London Bus routes to help you travel to and from Heathrow Airport:
Local buses: 111, 105, 140, 285, 423
SL7: orbital route across London
Tip: For Central London, travel to Hammersmith or Ealing Broadway first, then continue by bus or Underground
Customer advice for Heathrow Express:
Services will be reduced to every 30 minutes.
Check before you travel:
You can check your journey using the National Rail Enquiries real-time Journey Planner.
Compensation:
You may be entitled to compensation if you experience a delay in completing your journey today. Please keep your train ticket and make a note of your journey, as both will be required to support any claim.
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